CN116672825B - Environment-friendly purification device for recycling waste heat of flue gas - Google Patents
Environment-friendly purification device for recycling waste heat of flue gas Download PDFInfo
- Publication number
- CN116672825B CN116672825B CN202310863786.9A CN202310863786A CN116672825B CN 116672825 B CN116672825 B CN 116672825B CN 202310863786 A CN202310863786 A CN 202310863786A CN 116672825 B CN116672825 B CN 116672825B
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- filtering
- box
- box body
- flue gas
- sealing door
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 34
- 239000003546 flue gas Substances 0.000 title claims abstract description 34
- 239000002918 waste heat Substances 0.000 title claims abstract description 15
- 238000004064 recycling Methods 0.000 title claims abstract description 12
- 238000000746 purification Methods 0.000 title claims description 14
- 238000001914 filtration Methods 0.000 claims abstract description 82
- 238000007789 sealing Methods 0.000 claims description 51
- 230000002745 absorbent Effects 0.000 claims description 33
- 239000002250 absorbent Substances 0.000 claims description 33
- 239000002245 particle Substances 0.000 claims description 21
- 230000005540 biological transmission Effects 0.000 claims description 13
- 238000004806 packaging method and process Methods 0.000 claims description 4
- 239000011148 porous material Substances 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 230000007613 environmental effect Effects 0.000 claims 2
- 239000000428 dust Substances 0.000 abstract description 25
- 239000000779 smoke Substances 0.000 description 17
- 238000006477 desulfuration reaction Methods 0.000 description 11
- 230000023556 desulfurization Effects 0.000 description 11
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 239000007789 gas Substances 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000001179 sorption measurement Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010926 purge Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 235000009074 Phytolacca americana Nutrition 0.000 description 1
- 240000007643 Phytolacca americana Species 0.000 description 1
- 206010044565 Tremor Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 235000011116 calcium hydroxide Nutrition 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
- B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/68—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements
- B01D46/681—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements by scrapers, brushes or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/74—Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element
- B01D46/76—Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element involving vibrations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/30—Sulfur compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/40—Nitrogen compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model relates to the field of high-temperature dust-containing flue gas treatment, in particular to an environment-friendly purifying device for recycling flue gas waste heat, which comprises a bottom plate, wherein a filtering box body is arranged above the bottom plate, a plurality of filtering components are uniformly arranged on the front side wall and the rear side wall in the filtering box body from left to right, a purifying box body is arranged on the right side of the filtering box body, a plurality of feed boxes are arranged on the front side wall and the rear side wall in the purifying box body from top to bottom, and a vibration component is arranged between the filtering box body and the bottom plate.
Description
Technical Field
The utility model relates to the field of high-temperature dust-containing flue gas treatment, in particular to an environment-friendly purifying device for recycling waste heat of flue gas.
Background
The discharge amount of the flue gas generated by the production of iron and steel enterprises is very large, and the temperature of the flue gas is high, so that the flue gas has recovery value, and the recovery and utilization of the high-temperature flue gas has important significance for energy reduction and emission reduction. However, the concentration of flue gas, smoke and sulfur dioxide discharged by iron and steel enterprises is high, the granularity of the smoke and the dust is small, the adsorption capacity is strong, and the recycling difficulty is high. At present, the main utilization technology is to collect the waste heat in the flue gas by adopting a waste heat boiler so as to generate steam for generating power or heating, but the high-temperature flue gas is easy to cause ash accumulation of the waste heat boiler, so that the heat exchange efficiency of a heating surface is influenced, and the safe operation of the waste heat boiler is also influenced. In addition, sulfur dioxide contained in the high-temperature flue gas can pollute the atmosphere, so that the flue gas can be recycled and discharged after purification.
At present, the purification of high-temperature gas mainly adopts the modes of dry desulfurization, smoke absorption, catalytic purification, high-temperature filtration and the like, but the recycled high-temperature gas mainly adopts the dry desulfurization, such as an industrial furnace kiln dry desulfurization device provided by the utility model patent with publication number of CN214182544U, the device adopts slaked lime dry desulfurization to remove sulfur dioxide in the gas, the operation is easy, and the desulfurization efficiency is obviously improved, but the device provided by the patent does not provide a dust removing device to remove smoke dust in the gas in advance, the adsorption capacity of smoke dust particles is strong, the smoke dust particles can be adhered on the surface of an absorbent after entering the desulfurization device, the contact area of the absorbent and the gas is reduced, the desulfurization device is blocked, and the whole device loses the desulfurization purification effect; in addition, the absorbent is a consumable product, has a service life, and if the absorbent is used for too long, the absorbent is sticky and hardened, and loses adsorption desulfurization, so that the absorbent needs to be replaced on time, and the device does not provide related structures.
Disclosure of Invention
In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides an utilize waste heat from flue gas retrieval and utilization environment-friendly purification device, includes the bottom plate, and the bottom plate top is provided with the filtration box, and the left and right sides face of filtration box runs through respectively and is provided with intake pipe, outlet duct, evenly be provided with a plurality of filtration components from left to right on the lateral wall around in the filtration box, the right side of filtration box is provided with the purification box, and the lower part at the purification box is connected on the right side of outlet duct, and lateral wall top-down is provided with a plurality of workboxes around in the purification box, is provided with vibration component between filtration box and the bottom plate, a plurality of brush holders of lateral wall fixedly connected with in the filtration box.
The filter component comprises two corresponding sliding grooves arranged on the front side wall and the rear side wall of the filter box body, each sliding groove is internally connected with a fixing frame in a sliding fit manner, each fixing frame is of a U-shaped structure, a filter wire netting is arranged in the U-shaped structure between the fixing frames corresponding to the front position and the rear position, the lower side face and the left side face of the filter wire netting are respectively connected with the fixing frames through vibration springs, and the bottoms of the fixing frames on the same side are connected through connecting plates.
The vibration assembly comprises a protruding plate arranged on a bottom plate, the upper side face of the protruding plate is irregularly protruding, the protruding plate is in sliding fit with a limiting groove preset on the bottom plate, one end of the protruding plate is fixedly connected with the output end of a reciprocating cylinder, the fixed end of the reciprocating cylinder is arranged on the bottom plate, a plurality of transmission rods are arranged above the protruding plate, and the transmission rods penetrate through the lower side wall of the filtering box body and are connected to the bottom of the connecting plate.
The workbin runs through the front and back lateral walls of purifying box, and a plurality of holes have been seted up to the downside on the workbin, and the rear side of workbin is provided with the back sealing door that is used for filling the absorbent, and the front side of workbin is provided with the preceding sealing door that is used for taking out the absorbent, and preceding sealing door, back sealing door hinge respectively at the front and back lateral walls of purifying box, and the medial surface of preceding sealing door, back sealing door all is provided with high temperature sealing strip.
As a preferable technical scheme of the utility model, the left side and the right side of each filtering wire net are respectively provided with a brush frame, and the brush frames are uniformly provided with a plurality of brushes from top to bottom, and the brushes are propped against the side surfaces of the filtering wire net.
As a preferable technical scheme of the utility model, the right side of the upper end and the left side of the lower end of the fixed frame are respectively provided with the abutting blocks, the abutting blocks are respectively and fixedly arranged on the front side wall and the rear side wall of the filter box body, the positions of the fixed frame corresponding to the abutting blocks are provided with the yielding gaps, the abutting blocks penetrate through the yielding gaps and are positioned in the U-shaped structure of the fixed frame, and the distance between the upper abutting block and the lower abutting block is larger than the height of the filter wire netting.
As a preferable technical scheme of the utility model, the lengths of the bristles on the left side of the brush are longer than the distance from the left side of the brush to the right side of the abutting block, and the lengths of the bristles on the right side of the brush are longer than the distance from the right side of the brush to the left side of the abutting block.
As a preferred embodiment of the utility model, the pore diameter of the filter wire is gradually reduced from left to right.
As a preferable technical scheme of the utility model, the lower end of the transmission rod is provided with a roller, and the roller is propped against the upper side surface of the convex plate.
As a preferable technical scheme of the utility model, a collecting box for collecting solid particles is arranged in the lower end of the filtering box body and below the filtering assembly, the collecting box comprises a packaging plate and a collecting square frame which are in sealing fit with the filtering box body, a trapezoid groove is arranged at the bottom of the collecting square frame, a jacking body is arranged on the lower side wall of the filtering box body corresponding to the trapezoid groove on the collecting square frame through a jacking spring column, the lower end of the jacking body is square, the upper end of the jacking body is of an isosceles trapezoid structure, and one inclined plane at one side of the upper end of the jacking body corresponds to the inclined plane of the trapezoid groove on the collecting square frame.
As a preferable technical scheme of the utility model, the front end of the feed box is arranged in a downward inclined way, the inner side of the front sealing door is provided with a sliding block, the sliding block is in sliding fit with a T-shaped sliding groove preset in the inner side surface of the front sealing door, a poking rod is arranged in the feed box, the poking rod is in a comb shape, and the front end of the poking rod is hinged on the sliding block.
The utility model has the beneficial effects that: 1. the high-temperature resistant filter wire mesh provided by the utility model has the advantages that the pore diameter of the filter wire mesh is gradually reduced from left to right, and the arrangement mode can be used for filtering smoke dust in high-temperature smoke layer by layer, so that the filtering effect is improved, and the smoke dust particles in the high-temperature smoke are prevented from being adhered to the absorbent in the purification device, so that the purification effect is prevented from being influenced.
2. According to the vibration assembly, the reciprocating air cylinder drives the protruding plate to linearly move, so that the transmission rod moves in the vertical direction, the fixing frame and the filter wire mesh are vibrated through the connecting plate, vibration of the filter wire mesh is achieved, and further smoke dust particles are prevented from being blocked in holes of the filter wire mesh, blocking the filter wire mesh and affecting the filtering efficiency; the brush can clean the filter wire net when the filter wire net shakes, so that dust particles are prevented from shaking off when the filter wire net shakes.
3. The feed box is provided with the front sealing door, and is inclined downwards, so that the invalid absorbent can be conveniently taken out and filled with a new absorbent when the absorbent is replaced; the front end of the poking rod is connected with the sliding block arranged on the front sealing door through the hinge, and when the front sealing door is opened, the sliding block drives the poking rod to move forwards, pokes the absorbent in the feed box, slides out of the feed box, and prevents the absorbent from being adhered and hardened in the feed box to be difficult to take out.
4. The lower part of the collecting box is provided with the trapezoid groove and is matched with the top extension body on the lower side surface of the filtering box body, so that a force for moving towards the inside of the filtering box body can be provided for the collecting box, and the collecting box is matched with the sealing strip on the packaging plate of the collecting box, so that the sealing between the collecting box and the filtering box body is tighter, the leakage of smoke is prevented, and heat loss and air pollution are caused.
Drawings
The utility model will be further described with reference to the drawings and examples.
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a first partial cross-sectional view of the filter housing, filter assembly, and vibration assembly.
Fig. 3 is a second partial cross-sectional view of the filter housing, filter assembly, and vibration assembly.
Fig. 4 is a schematic view of the structure of the filter assembly and brush holder.
Fig. 5 is an enlarged view at I in fig. 2.
Fig. 6 is a cross-sectional view of the filter housing, vibration assembly.
Fig. 7 is an enlarged view at a in fig. 6.
Fig. 8 is a first structural schematic view of the inside of the purge bin.
Fig. 9 is a second structural schematic view of the inside of the purge bin.
Fig. 10 is an enlarged view at B in fig. 8.
Fig. 11 is a schematic structural view of the front door, the slider, and the tap lever.
In the figure: 1. a filter box; 12. a filter assembly; 121. a chute; 122. a fixed frame; 123. filtering the wire netting; 124. a vibration spring; 125. a connecting plate; 13. an air inlet pipe; 14. an air outlet pipe; 15. a vibration assembly; 151. a protruding plate; 152. a reciprocating cylinder; 153. a transmission rod; 154. a roller; 16. a brush holder; 161. a brush; 17. a collection box; 171. a package plate; 172. collecting a square frame; 173. a trapezoid groove; 18. a spring column is propped and stretched; 181. a top extension body; 19. a pushing block; 2. purifying the box body; 21. a feed box; 22. sealing the door; 23. a front seal door; 231. a slide block; 24. high temperature sealing strips; 25. a toggle rod; 3. a bottom plate.
Detailed Description
Embodiments of the present utility model are described in detail below. The following examples are illustrative only and are not to be construed as limiting the utility model. The examples are not to be construed as limiting the specific techniques or conditions described in the literature in this field or as per the specifications of the product.
Referring to fig. 1 and 2, an environment-friendly purifying device for recycling waste heat of flue gas comprises a bottom plate 3, wherein a filtering box body 1 is arranged above the bottom plate 3, an air inlet pipe 13 and an air outlet pipe 14 are respectively arranged on the left side surface and the right side surface of the filtering box body 1 in a penetrating way, a plurality of filtering components 12 are uniformly arranged on the front side wall and the rear side wall of the filtering box body 1 from left to right, a purifying box body 2 is arranged on the right side of the filtering box body 1, the right side of the air outlet pipe 14 is connected to the lower part of the purifying box body 2, a plurality of feed boxes 21 are arranged on the front side wall and the rear side wall of the purifying box body 2 from top to bottom, a vibration component 15 is arranged between the filtering box body 1 and the bottom plate 3, a plurality of brush holders 16 are fixedly connected to the upper side wall of the filtering box body 1, and the purifying treatment such as desulfurization and denitrification can be carried out on smoke particles in high-temperature flue gas. Specifically, the high-temperature flue gas enters the filtering box body 1 from the air inlet pipe 13, and after the smoke particles are filtered by the filtering component 12, the high-temperature flue gas enters the purifying box body 2 from the air outlet pipe 14, and is desulfurized and denitrated under the adsorption action of the absorbent arranged in the feed box 21, and finally the high-temperature flue gas is discharged out of the purifying box body 2 for recycling in the next step.
Referring to fig. 2, fig. 3, fig. 4, fig. 5, the filter assembly 12 includes two corresponding sliding grooves 121 disposed on the front and rear inner side walls of the filter box 1, each sliding groove 121 is connected with a fixing frame 122 in a sliding fit manner, the bottoms of the fixing frames 122 on the same side are connected by a connecting plate 125, the fixing frames 122 are in a U-shaped structure, a filter wire net 123 is disposed in the U-shaped structure between the fixing frames 122 corresponding to the front and rear positions, the lower side surface and the left side surface of the filter wire net 123 are respectively connected with the fixing frames 122 by a vibrating spring 124, and the pore diameters of the filter wire net 123 disposed from left to right are gradually reduced.
Referring to fig. 1, 2, 3 and 6, the vibration assembly 15 includes a protruding plate 151 disposed on the bottom plate 3, the upper side of the protruding plate 151 is irregularly protruding, the protruding plate 151 is slidably matched with a limit groove preset on the bottom plate 3, one end of the protruding plate 151 is fixedly connected with the output end of the reciprocating cylinder 152, the fixed end of the reciprocating cylinder 152 is mounted on the bottom plate 3, a plurality of transmission rods 153 are disposed above the protruding plate 151, the transmission rods 153 penetrate through the lower side wall of the filter box 1 and are connected to the bottom of the connecting plate 125, the lower ends of the transmission rods 153 are provided with rollers 154, the rollers 154 are abutted against the upper side of the protruding plate 151, the left and right sides of each filter wire net 123 are provided with a brush holder 16, a plurality of brushes 161 are uniformly disposed from top to bottom on the brush holder 16, the brushes 161 are abutted against the sides of the filter wire net 123, the lengths of the bristles 161 on the left side are greater than the distances from the brushes 161 on the left side to the abutting moving blocks 19 on the right side, the length of brush hair on the right side of brush 161 is longer than the distance from the right side of brush 161 to the left side of pushing block 19, the vibration component 15 of the utility model can shake the filter wire net 123 and shake off the dust particles adhered on the filter wire net 123, further, the brush hair 161 on the two sides of the filter wire net 123 can clean the filter wire net 123 when the filter wire net is shaken, the dust particles are prevented from not shaking off when the filter wire net is shaken to block the filter wire net 123, in particular, when the filter is needed, the utility model drives the convex plate 151 to move left and right through the reciprocating cylinder 152, the convex plate 151 drives the roller 154 and the transmission rod 153 above the roller 154 which are abutted on the surface of the convex plate 151 to move up and down, and then drives the connecting plate 125 to move up and down, thereby the fixed frame 122 shakes up and down in the chute 121 on the front inner wall and the back inner wall of the filter box body 1, and shake the filter wire netting 123 through vibration spring 124, will filter the smoke and dust granule on the wire netting 123 and tremble, in addition, shake about filter wire netting 123, distribute and fix in the filter box 1 side and lie in the brush 161 of filter wire netting 123 both sides face clean filter wire netting 123 in step, clean the smoke and dust granule that obstinate adhesion was on filter wire netting 123 surface and get rid of.
Referring to fig. 2, fig. 3, fig. 4, fig. 5, the right side of the upper end of the fixed frame 122 and the left side of the lower end are all distributed with the supporting moving blocks 19, the supporting moving blocks 19 are respectively fixedly installed on the front and rear side walls of the filtering box body 1, the position of the fixed frame 122 corresponding to the supporting moving blocks 19 is provided with a yielding gap, the supporting moving blocks 19 pass through the yielding gap and are located in the U-shaped structure of the fixed frame 122, the distance between the upper and lower supporting moving blocks 19 is greater than the height of the filtering wire gauze 123, the supporting moving blocks 19 on the upper side of the fixed frame 122 can push the filtering wire gauze 123 to the left side when the fixed frame 122 moves upwards, at this moment, the brush 161 on the right side cleans the filtering wire gauze 123 more thoroughly, when the filtering wire gauze 123 moves downwards, the filtering wire gauze 123 is firstly separated from the supporting moving blocks 19, the filtering wire gauze 123 vibrates left and right under the action of the vibrating springs 124 on the left and right sides of the filtering wire gauze 123, and then the brush of the filtering wire gauze 123 can be increased to be attached to the height of the filtering wire gauze 123, and the dust particles on the right side of the filtering gauze 123 can be prevented from being thoroughly cleaned by the dust particles on the side of the filtering gauze 123.
Referring to fig. 2, 3 and 7, a collecting box 17 for collecting solid particles is disposed in the lower end of the filtering box 1 and below the filtering assembly 12, the collecting box 17 includes a packaging plate 171 and a collecting box 172 which are in sealing fit with the filtering box 1, a trapezoid slot 173 is disposed at the bottom of the collecting box 172, a top extension body 181 is mounted on the lower side wall of the filtering box 1 corresponding to the trapezoid slot 173 on the collecting box 172 through a top extension spring column 18, the lower end of the top extension body 181 is square and the upper end thereof is in an isosceles trapezoid structure, and one inclined plane of the upper end of the top extension body 181 corresponds to the inclined plane of the trapezoid slot 173 on the collecting box 172, so that the collecting box 17 of the utility model can collect dust particles removed from the filtering wire mesh 123, prevent the dust particles from accumulating inside the filtering box 1 to affect the filtering, and in particular, dust particles on the filtering wire mesh 123 are cleaned and fall into the collecting box 17, and the collecting box 17 is periodically taken out by manpower; in addition, the top extension 181 that the lower lateral wall of the filtering box body 1 set up is through collecting the trapezoidal slot 173 that the bottom of the square frame 172 set up for collecting the square frame 172 one to the internal power that removes of the filtering box body 1, and the outer lane of encapsulation board 171 is provided with the sealing strip, above structure can make the sealed inseparabler of collecting box 17 and filtering box body 1, prevents that the flue gas from revealing, causes heat loss and atmospheric pollution.
It should be noted that, the top extension spring column 18 has an extension force, and the isosceles trapezoid structure at the upper end of the top extension body 181 does not push to the top of the trapezoid groove 173, so that the top extension body 181 has an inward pushing force on the collection box 17, and the sealing effect between the package plate 171 and the filtration box 1 is increased.
Referring to fig. 8, 9, 10 and 11, the bin 21 penetrates through the front and rear side walls of the purifying box 2, a plurality of holes are formed in the upper and lower sides of the bin 21, a rear sealing door 22 for filling absorbent is arranged at the rear side of the bin 21, a front sealing door 23 for taking out absorbent is arranged at the front side of the bin 21, the front sealing door 23 and the rear sealing door 22 are respectively hinged to the front and rear outer side walls of the purifying box 2, high-temperature sealing strips 24 are respectively arranged on the inner side surfaces of the front sealing door 23 and the rear sealing door 22, the front end of the bin 21 is obliquely arranged downwards, a sliding block 231 is arranged at the inner side of the front sealing door 23, the sliding block 231 is in sliding fit with a T-shaped sliding groove preset in the inner side surface of the front sealing door 23, a poking rod 25 is arranged in the bin 21, the poking rod 25 is in a comb shape, the front end of the poking rod 25 is hinged to the sliding block 231, the absorbent is arranged in the bin 21, the high-temperature flue gas can be desulfurized, the absorbent in the bin 21 can be quickly replaced, and the flue gas can be purified and discharged after the bin 2 is filled with different absorbents; when the absorbent in the feed box 21 needs to be replaced, the front sealing door 23 is manually opened to enable the sliding block 231 arranged on the inner side of the front sealing door 23 to move, the sliding block 231 drives the poking rod 25 to move forward smoothly under the hinged effect of the sliding block 231 and the poking rod 25, the poking rod 25 enables the absorbent in the feed box 21 to slide downwards into the discharge box 21, the absorbent which needs to be replaced is unloaded, then the front sealing door 23 is manually closed and sealed and locked, the rear sealing door 22 is opened, and new absorbent is filled into the feed box 21 through the rear sealing door 22. The process of replacing the absorbent is simple and quick, the absorbent which is adhered and hardened in the material box 21 and is difficult to take out can be easily taken out by arranging the toggle rod 25, and the efficiency is high.
It should be noted that, the inside of the front sealing door 23 is provided with a preset T-shaped chute, and a flare is formed at one end far away from the front sealing door 23, so that the sliding block 231 can be taken out from the T-shaped chute, and the toggle rod 25 can be taken out from the bin 21, and the absorbent in the bin 21 can be cleaned by using the toggle rod 25 manually.
The utility model has the following steps of dust removal and purification of high-temperature flue gas: s1, high-temperature flue gas enters the filter box body 1 from the air inlet pipe 13, and smoke dust particles in the high-temperature flue gas are filtered cleanly through layer-by-layer filtration of the filter wire gauze.
S2, the high-temperature flue gas filtered by the filtering box body 1 enters the purifying box body 2 through the air outlet pipe 14, and the high-temperature flue gas is discharged to enter the next step for recycling after passing through the purifying effect of the absorbent desulfurization and denitrification in the feed box 21.
The cleaning steps of the filter wire net 123 of the utility model are as follows: s11, starting a reciprocating cylinder 152, wherein the reciprocating cylinder 152 drives a protruding plate 151 to move left and right, the protruding plate 151 drives a roller 154 propped against the surface of the protruding plate 151 and a transmission rod 153 above the roller 154 to move up and down, and further drives a connecting plate 125 to move up and down, so that a fixing frame 122 shakes up and down in a chute 121 on the front and back inner wall of a filter box body 1, and shakes a filter wire net 123 through a vibration spring 124, and dust particles on the filter wire net 123 are shaken off.
S12, when the filter wire net 123 shakes up and down, the hairbrushes 161 fixed in the upper side surface of the filter box body 1 and positioned on the two side surfaces of the filter wire net 123 can clean the filter wire net 123 synchronously due to the movement of the hairbrushes 161, dust particles which are obstinate and adhere to the surface of the filter wire net 123 are cleaned and removed, the dust particles fall into the collecting box 17, and a patient periodically pulls out the collecting box 17 to clean the inside of the filter box body 1.
The steps of the utility model for replacing the absorbent of the purifying box body 2 are as follows: s21, the front sealing door 23 is opened manually, so that the sliding block 231 arranged on the inner side of the front sealing door 23 moves, the poking rod 25 is driven to move forwards, the poking rod 25 enables the absorbent in the feed box 21 to slide downwards into the discharge box 21, and material taking is completed.
S22, the front sealing door 23 is closed and sealed and locked by manpower, the rear sealing door 22 is opened, and new absorbent is filled into the feeding box 21 through the rear sealing door 22.
While embodiments of the present utility model have been shown and described above, it should be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives, and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model, which is also intended to be covered by the present utility model.
Claims (5)
1. The utility model provides an utilize flue gas waste heat retrieval and utilization environmental protection purifier, includes bottom plate (3), is provided with filter box (1) above bottom plate (3), and the left and right sides face of filter box (1) is run through respectively and is provided with intake pipe (13), outlet duct (14), a serial communication port, evenly be provided with a plurality of filtration subassembly (12) from left to right on the lateral wall around in filter box (1), the right side of filter box (1) is provided with purifying box (2), the lower part at purifying box (2) is connected on the right side of outlet duct (14), and the inside and outside wall top-down is provided with a plurality of workboxes (21) in purifying box (2), is provided with vibration subassembly (15) between filter box (1) and bottom plate (3), and a plurality of brush holders (16) of upper side wall fixedly connected with in filter box (1);
the filtering assembly (12) comprises two corresponding sliding grooves (121) arranged on the front side wall and the rear side wall of the filtering box body (1), each sliding groove (121) is connected with a fixing frame (122) in a sliding fit manner, each fixing frame (122) is of a U-shaped structure, filtering wire nets (123) are arranged in the U-shaped structure between the two fixing frames (122) corresponding to the front position and the rear position, the lower side face and the left side face of each filtering wire net (123) are respectively connected with the corresponding fixing frame (122) through vibration springs (124), and the bottoms of the fixing frames (122) on the same side are connected through connecting plates (125);
the left side and the right side of each filtering wire mesh (123) are respectively provided with a brush frame (16), the brush frames (16) are uniformly provided with a plurality of brushes (161) from top to bottom, and the brushes (161) are propped against the side surfaces of the filtering wire mesh (123);
the right side of the upper end and the left side of the lower end of the fixed frame (122) are respectively provided with a supporting moving block (19), the supporting moving blocks (19) are respectively fixedly arranged on the front side wall and the rear side wall of the filter box body (1), the positions of the fixed frame (122) corresponding to the supporting moving blocks (19) are provided with yielding gaps, the supporting moving blocks (19) penetrate through the yielding gaps and are positioned in the U-shaped structure of the fixed frame (122), and the distance between the upper supporting moving block and the lower supporting moving block (19) is larger than the height of the filter wire mesh (123);
the vibration assembly (15) comprises a protruding plate (151) arranged on the bottom plate (3), the upper side surface of the protruding plate (151) is irregularly protruding, the protruding plate (151) is in sliding fit with a limiting groove preset on the bottom plate (3), one end of the protruding plate (151) is fixedly connected with the output end of a reciprocating cylinder (152), the fixed end of the reciprocating cylinder (152) is arranged on the bottom plate (3), a plurality of transmission rods (153) are arranged above the protruding plate (151), and the transmission rods (153) penetrate through the lower side wall of the filtering box body (1) and are connected to the bottom of the connecting plate (125); the lower end of the transmission rod (153) is provided with a roller (154), and the roller (154) is propped against the upper side surface of the protruding plate (151);
the supporting moving block (19) at the upper side of the fixed frame (122) can push the filtering wire netting (123) to the left side when the fixed frame (122) moves upwards, when the filtering wire netting (123) moves downwards, the filtering wire netting (123) is separated from the supporting moving block (19) first, the filtering wire netting (123) vibrates left and right under the action of the vibrating springs (124) at the left side and the right side of the filtering wire netting, and then the filtering wire netting (123) can be contacted with the supporting moving block (19) at the lower side, and the filtering wire netting (123) moves to the right side;
the utility model discloses a purifying box, including purifying box (2), workbin (21), back lateral wall, front and back lateral wall, a plurality of holes have been seted up to workbin (21), the rear side of workbin (21) is provided with back sealing door (22) that are used for filling the absorbent, the front side of workbin (21) is provided with front sealing door (23) that are used for taking out the absorbent, front sealing door (23), back sealing door (22) articulate respectively at the front and back lateral wall of purifying box (2), front sealing door (23), back sealing door (22) medial surface all is provided with high temperature sealing strip (24).
2. The environment-friendly purifying device for recycling waste heat of flue gas according to claim 1, wherein the lengths of bristles on the left brush (161) are longer than the distance from the left brush (161) to the right abutting block (19), and the lengths of bristles on the right brush (161) are longer than the distance from the right brush (161) to the left abutting block (19).
3. An environmental protection purification apparatus for recycling waste heat of flue gas according to claim 1, wherein the pore diameter of the filtering wire mesh (123) arranged from left to right becomes gradually smaller.
4. The environment-friendly purifying device for recycling flue gas waste heat according to claim 1, wherein a collecting box (17) for collecting solid particles is arranged in the lower end of the filtering box body (1) and below the filtering assembly (12), the collecting box (17) comprises a packaging plate (171) and a collecting box (172) which are in sealing fit with the filtering box body (1), a trapezoid groove (173) is formed in the bottom of the collecting box (172), a jacking body (181) is arranged on the lower side wall of the filtering box body (1) corresponding to the trapezoid groove (173) in the collecting box (172) through a jacking spring column (18), the lower end of the jacking body (181) is of a square isosceles trapezoid structure, and one inclined plane at the upper end of the jacking body (181) corresponds to the inclined plane of the trapezoid groove (173) in the collecting box (172).
5. The environment-friendly purifying device for recycling waste heat of flue gas according to claim 1, wherein the front end of the feed box (21) is arranged in a downward inclined mode, a sliding block (231) is arranged on the inner side of the front sealing door (23), the sliding block (231) is in sliding fit with a T-shaped sliding groove preset in the inner side face of the front sealing door (23), a poking rod (25) is arranged in the feed box (21), the poking rod (25) is in a comb shape, and the front end of the poking rod (25) is hinged to the sliding block (231).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310863786.9A CN116672825B (en) | 2023-07-13 | 2023-07-13 | Environment-friendly purification device for recycling waste heat of flue gas |
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| CN202310863786.9A CN116672825B (en) | 2023-07-13 | 2023-07-13 | Environment-friendly purification device for recycling waste heat of flue gas |
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| CN116672825B true CN116672825B (en) | 2023-11-14 |
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| KR101794628B1 (en) * | 2017-04-12 | 2017-11-07 | 한국플랜트서비스 주식회사 | Absorber apparatus of flue-gas desulfurization facility |
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|---|---|
| CN116672825A (en) | 2023-09-01 |
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